mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-28 11:18:45 +07:00
43adec955e
[root@emilia ~]# perf record -a -e sched:* -e timer:timer* sleep 5 [ perf record: Woken up 1 times to write data ] [ perf record: Captured and wrote 0.172 MB perf.data (~7530 samples) ] [root@emilia ~]# perf evlist sched:sched_kthread_stop sched:sched_kthread_stop_ret sched:sched_wakeup sched:sched_wakeup_new sched:sched_switch sched:sched_migrate_task sched:sched_process_free sched:sched_process_exit sched:sched_wait_task sched:sched_process_wait sched:sched_process_fork sched:sched_stat_wait sched:sched_stat_sleep sched:sched_stat_iowait sched:sched_stat_runtime sched:sched_pi_setprio timer:timer_init timer:timer_start timer:timer_expire_entry timer:timer_expire_exit timer:timer_cancel [root@emilia ~]# Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Mike Galbraith <efault@gmx.de> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Cc: Tom Zanussi <tzanussi@gmail.com> LKML-Reference: <new-submission> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
55 lines
1.1 KiB
C
55 lines
1.1 KiB
C
/*
|
|
* Builtin evlist command: Show the list of event selectors present
|
|
* in a perf.data file.
|
|
*/
|
|
#include "builtin.h"
|
|
|
|
#include "util/util.h"
|
|
|
|
#include <linux/list.h>
|
|
|
|
#include "perf.h"
|
|
#include "util/evlist.h"
|
|
#include "util/evsel.h"
|
|
#include "util/parse-events.h"
|
|
#include "util/parse-options.h"
|
|
#include "util/session.h"
|
|
|
|
static char const *input_name = "perf.data";
|
|
|
|
static int __cmd_evlist(void)
|
|
{
|
|
struct perf_session *session;
|
|
struct perf_evsel *pos;
|
|
|
|
session = perf_session__new(input_name, O_RDONLY, 0, false, NULL);
|
|
if (session == NULL)
|
|
return -ENOMEM;
|
|
|
|
list_for_each_entry(pos, &session->evlist->entries, node)
|
|
printf("%s\n", event_name(pos));
|
|
|
|
perf_session__delete(session);
|
|
return 0;
|
|
}
|
|
|
|
static const char * const evlist_usage[] = {
|
|
"perf evlist [<options>]",
|
|
NULL
|
|
};
|
|
|
|
static const struct option options[] = {
|
|
OPT_STRING('i', "input", &input_name, "file",
|
|
"input file name"),
|
|
OPT_END()
|
|
};
|
|
|
|
int cmd_evlist(int argc, const char **argv, const char *prefix __used)
|
|
{
|
|
argc = parse_options(argc, argv, options, evlist_usage, 0);
|
|
if (argc)
|
|
usage_with_options(evlist_usage, options);
|
|
|
|
return __cmd_evlist();
|
|
}
|